Re: Spinosaurus dorsal sail function riddle

[Jaime Headden <jaimeheadden@gmail.com>]

>From the website:

"Copyright © Cambridge University Press 2015 This is an Open Access
article, distributed under the terms of the Creative Commons
Attribution licence (http://creativecommons.org/licenses/by/4.0/),
which permits unrestricted re-use, distribution, and reproduction in
any medium, provided the original work is properly cited."

But to access it, they are asking for $45.00, or £30.00.

"OA" my foot.

On Tue, Nov 17, 2015 at 6:37 AM, Jaime Headden <jaimeheadden@gmail.com> wrote:
> Until they realize that the nearly solid bones of the sail are
> counter-intuitive to flotation, as argued by Sereno at this years'
> SVP, and in general contradiction to previous arguments for a bouyant,
> crocodilian-like surface swimmer.
>
> On Tue, Nov 17, 2015 at 6:26 AM, Ben Creisler <bcreisler@gmail.com> wrote:
>> Ben Creisler
>> bcreisler@gmail.com
>>
>> A new paper:
>>
>> Jan Gimsa, Robert Sleigh and Ulrike Gimsa (2015)
>> The riddle of Spinosaurus aegyptiacus' dorsal sail.
>> Geological Magazine (advance online publication)
>> DOI: http://dx.doi.org/10.1017/S0016756815000801
>> http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=10036572&fulltextType=RC&fileId=S0016756815000801
>>
>> Spinosaurus aegyptiacus was probably the largest predatory dinosaur of
>> the Cretaceous period. A new study shows that it was a semiaquatic
>> hunter. The function of Spinosaurus’ huge dorsal ‘sail’ remains
>> unsolved, however. Three hypotheses have been proposed: (1)
>> thermoregulation; (2) humpback storage; or (3) display. According to
>> our alternative hypothesis, the submerged sail would have improved
>> manoeuvrability and provided the hydrodynamic fulcrum for powerful
>> neck and tail movements such as those made by sailfish or thresher
>> sharks when stunning or injuring prey. Finally, it could have been
>> employed as a screen for encircling prey underwater.
>
>
>
> --
> Jaime A. Headden
> The Bite Stuff: http://qilong.wordpress.com/
>
>
> "Innocent, unbiased observation is a myth" - P. B. Medawar (1969)



-- 
Jaime A. Headden
The Bite Stuff: http://qilong.wordpress.com/


"Innocent, unbiased observation is a myth" - P. B. Medawar (1969)